Display screen or portion thereof with icon



FIG. 1 is a front view of a display screen or portion thereof with icon showing our new design; and,

FIG. 2 is a front view of another embodiment of a display screen or portion thereof with icon showing our new design.

The dot dash lines in the figures represent the display screen or portion thereof and form no part of the claimed design. 

CLAIM We claim the ornamental design for a display screen or portion thereof with icon, as shown and described. 